Pond Life 
These swallow the fruit, passing the hard 
indigestible seed, which falls in some other 
part where it has a chance of taking root 
and growing. ‘The fruit is supposed to be 
there for no other purpose than to induce 
the birds to eat it. Ifthat is the regular 
method for plants, I don’t see why it 
should not happen with other things. 
And, as a matter of fact, we know that 
there are many living things which pass 
part or all of their existence inside the 
bodies of other creatures. Some even, 
curious to say, spend one part of their 
existence in one animal, and another 
part in another; and manage to get 
transferred from one to the other in a 
perfectly natural way without either of 
their hosts having its permission asked 
or knowing anything about it. 
Of course, if the whole country was 
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